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31 Cards in this Set
- Front
- Back
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Capillaries
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smallest blood vessels that supply blood to the tissues
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Cardiac output
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The amount of blood pumped by the heart per minute
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Stroke volume
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The amount of blood pumped per minute
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End diastolic volume
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The volume of blood in venture class at the end of the cardiac filling cycle
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Ejection fraction
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The percentage of the total volume of blood that is pumped out of the left ventricle during systolic contraction of the heart
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vasodilation
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Increase in diameter of the blood vessels, especially dilation of artioles leading to increased blood flow to part of the body
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alveoli
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Sphearical extension of the respiratory bronchioles and the primary site of gas exchange between lungs and blood
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Fatty acids
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long hydrocarbon chains with an even number of carbon and varying degrees of saturation with hydrogen
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Steady state
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The intensity of exercise where the energy and physiological demand of the exercise bout are met by the delivery of the physiological system in the body
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Interval training
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A few repetitions of higher intensity exercise followed by recovery.
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Cardiovascular drift
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A cardiovascular phenomenon that represents a gradual increase in heart rate response during a steady state bout of exercise
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HR turnpoint
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The point during incremental aerobic exercise at which the heart rate no longer increases linearly, but rather shows a curvilinear response
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cholesterol |
a fat like substances found in the blood and body tissues and in certain foods |
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Cross training
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A method of physical training in which a variety of exercises and changes in body position or mode of exercise for you to live so positively affect compliance and motivation
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Fartlek training
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A form of training during which the exerciser randomly changes the aerobic intensity based on how their feeling. also called speed play
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hatha yoga
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a form of yogic exercise that combines difficult postures with controlled breathing
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tai chi |
a Chinese proverb of slow meditative physical exercise designed for relaxation, balance, and health |
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peripheral vasodilation |
widening of blood vessels |
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heat exhaustion
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The most common heat related illness, usually the result of intense exercise in heat
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heat stroke |
A medical emergency that is the most serious form of heat illness due to heat overload and or impairment of the body's ability to dissipate heat. characterized by high blood pressure |
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heat index
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guidelines regarding when exercise can be safely undertaken or when it should be avoided based on measures of great and humidity
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hypothermia
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abnormally low body temperature
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vasoconstriction
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Narrowing of the opening blood vessels
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windchill
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a chill factor created by the increase in the rate of heat loss via convection and conduction caused by wind
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Evaporation
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the process by which molecules in a liquid state spontaneously become gaseous
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Partial pressure
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The pressure of each gas in multiple gas system, such as air, which is composed of nitrogen, oxygen, and carbon dioxide
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Homeostasis
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an internal state of physiological balance
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Myocardial infarction
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an episode in which some of the heart's blood supply is severely cut off or restricted, causing the heart muscle to suffer and die from lack of oxygen. ( heart attack )
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Bone mineral density
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a measure of the amount of minerals contained in a certain volume of nine
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Sacropenia
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decreased muscle mass, often used to refer specifically to an age related decline in muscle mass or lean body tissue
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talk test
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A method for measuring exercise intensity using activation of respiration effort and the ability to talk while exercising
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